本文件为建筑环境中建筑和结构的消防安全工程分析中使用的设计火灾规范提供了指南。设计火灾旨在用于工程分析，以确定消防安全工程（FSE）分析中的后果。

This document provides guidance for the specification of design fires for use in fire safety engineering analysis of building and structures in the built environment. The design fire is intended to be used in an engineering analysis to determine consequences in fire safety engineering (FSE) analyses.